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145842488 = 23115213181
BaseRepresentation
bin10001011000101…
…10000100111000
3101011102120021122
420230112010320
5244313424423
622245524412
73420432521
oct1054260470
9334376248
10145842488
1175362690
1240a13708
13242a473c
1415525848
15cc0c8c8
hex8b16138

145842488 has 32 divisors (see below), whose sum is σ = 298980720. Its totient is φ = 66144000.

The previous prime is 145842467. The next prime is 145842503. The reversal of 145842488 is 884248541.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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, 44258 + ... + 47438.

Almost surely, 2145842488 is an apocalyptic number.

It is an amenable number.

145842488 is an abundant number, since it is smaller than the sum of its proper divisors (153138232).

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

145842488 is a wasteful number, since it uses less digits than its factorization.

145842488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719 (or 3715 counting only the distinct ones).

The product of its digits is 327680, while the sum is 44.

The square root of 145842488 is about 12076.5263217533. The cubic root of 145842488 is about 526.3743137012.

The spelling of 145842488 in words is "one hundred forty-five million, eight hundred forty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 11 22 44 88 521 1042 2084 3181 4168 5731 6362 11462 12724 22924 25448 34991 45848 69982 139964 279928 1657301 3314602 6629204 13258408 18230311 36460622 72921244 145842488