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145871052 = 223532111087
BaseRepresentation
bin10001011000111…
…01000011001100
3101011111000110120
420230131003030
5244320333202
622250304540
73420612015
oct1054350314
9334430416
10145871052
1175382098
1240a28150
13242b4742
141553200c
15cc160bc
hex8b1d0cc

145871052 has 48 divisors (see below), whose sum is σ = 348751872. Its totient is φ = 47436480.

The previous prime is 145871041. The next prime is 145871081. The reversal of 145871052 is 250178541.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133653 + ... + 134739.

It is an arithmetic number, because the mean of its divisors is an integer number (7265664).

Almost surely, 2145871052 is an apocalyptic number.

145871052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145871052 is an abundant number, since it is smaller than the sum of its proper divisors (202880820).

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

145871052 is a wasteful number, since it uses less digits than its factorization.

145871052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 145871052 is about 12077.7088886924. The cubic root of 145871052 is about 526.4086758285.

The spelling of 145871052 in words is "one hundred forty-five million, eight hundred seventy-one thousand, fifty-two".