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145374653 = 1016912083
BaseRepresentation
bin10001010101000…
…11110110111101
3101010112210112102
420222203312331
5244203442103
622231514445
73413443544
oct1052436675
9333483472
10145374653
1175073146
1240828a25
132416c808
141544315b
15cb68e88
hex8aa3dbd

145374653 has 8 divisors (see below), whose sum is σ = 147097056. Its totient is φ = 143658000.

The previous prime is 145374629. The next prime is 145374683. The reversal of 145374653 is 356473541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145374653 is a prime.

It is a super-2 number, since 2×1453746532 = 42267579469740818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145374623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68750 + ... + 70832.

It is an arithmetic number, because the mean of its divisors is an integer number (18387132).

Almost surely, 2145374653 is an apocalyptic number.

It is an amenable number.

145374653 is a deficient number, since it is larger than the sum of its proper divisors (1722403).

145374653 is a wasteful number, since it uses less digits than its factorization.

145374653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875.

The product of its digits is 151200, while the sum is 38.

The square root of 145374653 is about 12057.1411619836. The cubic root of 145374653 is about 525.8108745297.

The spelling of 145374653 in words is "one hundred forty-five million, three hundred seventy-four thousand, six hundred fifty-three".

Divisors: 1 101 691 2083 69791 210383 1439353 145374653