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145204662441 = 3471981351977
BaseRepresentation
bin1000011100111011011…
…1110101000010101001
3111212210120012010101210
42013032313311002221
54334334343144231
6150412303503333
713330210160166
oct2071667650251
9455716163353
10145204662441
1156643279063
12241848b7b49
1310900c4b107
14705696706d
153b9cb03a46
hex21cedf50a9

145204662441 has 16 divisors (see below), whose sum is σ = 197739281664. Its totient is φ = 94736863104.

The previous prime is 145204662437. The next prime is 145204662479. The reversal of 145204662441 is 144266402541.

It is not a de Polignac number, because 145204662441 - 22 = 145204662437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145204662441.

It is not an unprimeable number, because it can be changed into a prime (145204662341) 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, 2767645 + ... + 2819621.

It is an arithmetic number, because the mean of its divisors is an integer number (12358705104).

Almost surely, 2145204662441 is an apocalyptic number.

It is an amenable number.

145204662441 is a deficient number, since it is larger than the sum of its proper divisors (52534619223).

145204662441 is a wasteful number, since it uses less digits than its factorization.

145204662441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71840.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 145204662441 in words is "one hundred forty-five billion, two hundred four million, six hundred sixty-two thousand, four hundred forty-one".

Divisors: 1 3 47 141 19813 51977 59439 155931 931211 2442919 2793633 7328757 1029820301 3089460903 48401554147 145204662441