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145634654 = 2116619757
BaseRepresentation
bin10001010111000…
…11010101011110
3101011001000012002
420223203111132
5244240302104
622241242302
73415605554
oct1053432536
9334030162
10145634654
1175230520
1240933392
1324230c69
14154adbd4
15cbbb01e
hex8ae355e

145634654 has 8 divisors (see below), whose sum is σ = 238311288. Its totient is φ = 66197560.

The previous prime is 145634653. The next prime is 145634659. The reversal of 145634654 is 456436541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145634653) 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, 3309857 + ... + 3309900.

It is an arithmetic number, because the mean of its divisors is an integer number (29788911).

Almost surely, 2145634654 is an apocalyptic number.

145634654 is a deficient number, since it is larger than the sum of its proper divisors (92676634).

145634654 is a wasteful number, since it uses less digits than its factorization.

145634654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619770.

The product of its digits is 172800, while the sum is 38.

The square root of 145634654 is about 12067.9183789086. The cubic root of 145634654 is about 526.1241568638.

The spelling of 145634654 in words is "one hundred forty-five million, six hundred thirty-four thousand, six hundred fifty-four".

Divisors: 1 2 11 22 6619757 13239514 72817327 145634654