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145454974627 = 5973313107897
BaseRepresentation
bin1000011101110111001…
…0101100011010100011
3111220110000012022011111
42013131302230122203
54340342433142002
6150453204524151
713336336612264
oct2073562543243
9456400168144
10145454974627
11567615a5336
12242346b0657
1310940a6c931
14707bcc496b
153bb4a9a3d7
hex21ddcac6a3

145454974627 has 16 divisors (see below), whose sum is σ = 150427075680. Its totient is φ = 140578993152.

The previous prime is 145454974619. The next prime is 145454974703. The reversal of 145454974627 is 726479454541.

It is a cyclic number.

It is not a de Polignac number, because 145454974627 - 23 = 145454974619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145454944627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294143 + ... + 1402039.

It is an arithmetic number, because the mean of its divisors is an integer number (9401692230).

Almost surely, 2145454974627 is an apocalyptic number.

145454974627 is a deficient number, since it is larger than the sum of its proper divisors (4972101053).

145454974627 is a wasteful number, since it uses less digits than its factorization.

145454974627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108342.

The product of its digits is 33868800, while the sum is 58.

The spelling of 145454974627 in words is "one hundred forty-five billion, four hundred fifty-four million, nine hundred seventy-four thousand, six hundred twenty-seven".

Divisors: 1 59 73 313 4307 18467 22849 107897 1348091 6365923 7876481 33771761 464712379 1992533899 2465338553 145454974627