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145750401 = 3317317539
BaseRepresentation
bin10001010111111…
…11100110000001
3101011020212222000
420223333212001
5244303003101
622243534213
73416600166
oct1053774601
9334225860
10145750401
11752aa485
124098a369
1324271854
141550006d
15cbe0486
hex8aff981

145750401 has 16 divisors (see below), whose sum is σ = 228628800. Its totient is φ = 91450944.

The previous prime is 145750391. The next prime is 145750417. The reversal of 145750401 is 104057541.

It is a happy number.

It is not a de Polignac number, because 145750401 - 29 = 145749889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145750421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158311 + ... + 159228.

It is an arithmetic number, because the mean of its divisors is an integer number (14289300).

Almost surely, 2145750401 is an apocalyptic number.

It is an amenable number.

145750401 is a deficient number, since it is larger than the sum of its proper divisors (82878399).

145750401 is a wasteful number, since it uses less digits than its factorization.

145750401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317565 (or 317559 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 145750401 is about 12072.7130753613. The cubic root of 145750401 is about 526.2635036584.

The spelling of 145750401 in words is "one hundred forty-five million, seven hundred fifty thousand, four hundred one".

Divisors: 1 3 9 17 27 51 153 459 317539 952617 2857851 5398163 8573553 16194489 48583467 145750401