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145002051 = 3223798867
BaseRepresentation
bin10001010010010…
…00111001000011
3101002211212102100
420221020321003
5244110031201
622215521443
73410332335
oct1051107103
9332755370
10145002051
1174939207
1240689283
132406c03c
1415387455
15cae3886
hex8a48e43

145002051 has 24 divisors (see below), whose sum is σ = 221345280. Its totient is φ = 91284336.

The previous prime is 145002049. The next prime is 145002071. The reversal of 145002051 is 150200541.

It is not a de Polignac number, because 145002051 - 21 = 145002049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145002031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11920 + ... + 20786.

It is an arithmetic number, because the mean of its divisors is an integer number (9222720).

Almost surely, 2145002051 is an apocalyptic number.

145002051 is a deficient number, since it is larger than the sum of its proper divisors (76343229).

145002051 is a wasteful number, since it uses less digits than its factorization.

145002051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975 (or 8972 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 145002051 is about 12041.6797416307. The cubic root of 145002051 is about 525.3612642741.

Adding to 145002051 its reverse (150200541), we get a palindrome (295202592).

The spelling of 145002051 in words is "one hundred forty-five million, two thousand, fifty-one".

Divisors: 1 3 9 23 69 79 207 237 711 1817 5451 8867 16353 26601 79803 203941 611823 700493 1835469 2101479 6304437 16111339 48334017 145002051