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145383334 = 272691667
BaseRepresentation
bin10001010101001…
…01111110100110
3101010120020102221
420222211332212
5244204231314
622232022554
73413511055
oct1052457646
9333506387
10145383334
1175079718
1240831a5a
1324173755
141544639c
15cb6b824
hex8aa5fa6

145383334 has 4 divisors (see below), whose sum is σ = 218075004. Its totient is φ = 72691666.

The previous prime is 145383331. The next prime is 145383341. The reversal of 145383334 is 433383541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433383541 = 4310078687.

It is a super-2 number, since 2×1453833342 = 42272627609911112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145383334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145383331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36345832 + ... + 36345835.

It is an arithmetic number, because the mean of its divisors is an integer number (54518751).

Almost surely, 2145383334 is an apocalyptic number.

145383334 is a deficient number, since it is larger than the sum of its proper divisors (72691670).

145383334 is an equidigital number, since it uses as much as digits as its factorization.

145383334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72691669.

The product of its digits is 51840, while the sum is 34.

The square root of 145383334 is about 12057.5011507360. The cubic root of 145383334 is about 525.8213405297.

The spelling of 145383334 in words is "one hundred forty-five million, three hundred eighty-three thousand, three hundred thirty-four".

Divisors: 1 2 72691667 145383334