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145772463 = 3167290963
BaseRepresentation
bin10001011000001…
…00111110101111
3101011022000020010
420230010332233
5244304204323
622244224303
73420021414
oct1054047657
9334260203
10145772463
1175315011
124099b093
132427b8c5
141550810b
15cbe6c93
hex8b04faf

145772463 has 8 divisors (see below), whose sum is σ = 195527808. Its totient is φ = 96599384.

The previous prime is 145772461. The next prime is 145772479. The reversal of 145772463 is 364277541.

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

It is a cyclic number.

It is not a de Polignac number, because 145772463 - 21 = 145772461 is a prime.

It is a super-2 number, since 2×1457724632 = 42499221938172738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145772461) 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, 144981 + ... + 145982.

It is an arithmetic number, because the mean of its divisors is an integer number (24440976).

Almost surely, 2145772463 is an apocalyptic number.

145772463 is a deficient number, since it is larger than the sum of its proper divisors (49755345).

145772463 is a wasteful number, since it uses less digits than its factorization.

145772463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291133.

The product of its digits is 141120, while the sum is 39.

The square root of 145772463 is about 12073.6267542110. The cubic root of 145772463 is about 526.2900555342.

It can be divided in two parts, 1457 and 72463, that added together give a triangular number (73920 = T384).

The spelling of 145772463 in words is "one hundred forty-five million, seven hundred seventy-two thousand, four hundred sixty-three".

Divisors: 1 3 167 501 290963 872889 48590821 145772463