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145346052 = 22316997129
BaseRepresentation
bin10001010100111…
…00111000000100
3101010111100022010
420222130320010
5244202033202
622231134220
73413264265
oct1052347004
9333440263
10145346052
1175053705
1240814370
132415c7a7
141543696c
15cb6076c
hex8a9ce04

145346052 has 24 divisors (see below), whose sum is σ = 339388000. Its totient is φ = 48413376.

The previous prime is 145346051. The next prime is 145346053. The reversal of 145346052 is 250643541.

It is an interprime number because it is at equal distance from previous prime (145346051) and next prime (145346053).

It is a super-2 number, since 2×1453460522 = 42250949663973408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145346051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16824 + ... + 23952.

Almost surely, 2145346052 is an apocalyptic number.

145346052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145346052 is an abundant number, since it is smaller than the sum of its proper divisors (194041948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145346052 is a wasteful number, since it uses less digits than its factorization.

145346052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835 (or 8833 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 145346052 is about 12055.9550430482. The cubic root of 145346052 is about 525.7763896021.

Adding to 145346052 its reverse (250643541), we get a palindrome (395989593).

The spelling of 145346052 in words is "one hundred forty-five million, three hundred forty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 12 1699 3398 5097 6796 7129 10194 14258 20388 21387 28516 42774 85548 12112171 24224342 36336513 48448684 72673026 145346052