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145694008 = 23131139021
BaseRepresentation
bin10001010111100…
…01110100111000
3101011011000121101
420223301310320
5244244202013
622242421144
73416243605
oct1053616470
9334130541
10145694008
1175271079
12409617b4
1324251c95
14154c76ac
15cbcd8dd
hex8af1d38

145694008 has 16 divisors (see below), whose sum is σ = 275263560. Its totient is φ = 72290400.

The previous prime is 145693949. The next prime is 145694009. The reversal of 145694008 is 800496541.

It is a happy number.

145694008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145694009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68463 + ... + 70558.

Almost surely, 2145694008 is an apocalyptic number.

It is an amenable number.

145694008 is a deficient number, since it is larger than the sum of its proper divisors (129569552).

145694008 is a wasteful number, since it uses less digits than its factorization.

145694008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139158 (or 139154 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 145694008 is about 12070.3772931918. The cubic root of 145694008 is about 526.1956218414.

The spelling of 145694008 in words is "one hundred forty-five million, six hundred ninety-four thousand, eight".

Divisors: 1 2 4 8 131 262 524 1048 139021 278042 556084 1112168 18211751 36423502 72847004 145694008