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145674787 is a prime number
BaseRepresentation
bin10001010111011…
…01001000100011
3101011010001020111
420223231020203
5244243043122
622242152151
73416133556
oct1053551043
9334101214
10145674787
1175258695
1240952657
13242462cb
14154c069d
15cbc7d77
hex8aed223

145674787 has 2 divisors, whose sum is σ = 145674788. Its totient is φ = 145674786.

The previous prime is 145674733. The next prime is 145674799. The reversal of 145674787 is 787476541.

It is a strong prime.

It is an emirp because it is prime and its reverse (787476541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145674787 - 211 = 145672739 is a prime.

It is a super-2 number, since 2×1456747872 = 42442287134990738, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 145674787.

It is not a weakly prime, because it can be changed into another prime (145674707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72837393 + 72837394.

It is an arithmetic number, because the mean of its divisors is an integer number (72837394).

Almost surely, 2145674787 is an apocalyptic number.

145674787 is a deficient number, since it is larger than the sum of its proper divisors (1).

145674787 is an equidigital number, since it uses as much as digits as its factorization.

145674787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 49.

The square root of 145674787 is about 12069.5810614951. The cubic root of 145674787 is about 526.1724809884.

The spelling of 145674787 in words is "one hundred forty-five million, six hundred seventy-four thousand, seven hundred eighty-seven".