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145498570 = 2572078551
BaseRepresentation
bin10001010110000…
…10000111001010
3101010210002111221
420223002013022
5244221423240
622234312254
73414501040
oct1053020712
9333702457
10145498570
1175148258
124088868a
13241b4039
1415476390
15cb90a4a
hex8ac21ca

145498570 has 16 divisors (see below), whose sum is σ = 299311488. Its totient is φ = 49885200.

The previous prime is 145498567. The next prime is 145498571. The reversal of 145498570 is 75894541.

It is not an unprimeable number, because it can be changed into a prime (145498571) 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 7 ways as a sum of consecutive naturals, for example, 1039206 + ... + 1039345.

It is an arithmetic number, because the mean of its divisors is an integer number (18706968).

Almost surely, 2145498570 is an apocalyptic number.

145498570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145498570 is an abundant number, since it is smaller than the sum of its proper divisors (153812918).

145498570 is a wasteful number, since it uses less digits than its factorization.

145498570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078565.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 145498570 is about 12062.2788062621. The cubic root of 145498570 is about 525.9602320699.

The spelling of 145498570 in words is "one hundred forty-five million, four hundred ninety-eight thousand, five hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 2078551 4157102 10392755 14549857 20785510 29099714 72749285 145498570