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130145153 = 791647407
BaseRepresentation
bin1111100000111…
…01101110000001
3100001220001120212
413300131232001
5231304121103
620525243505
73140133635
oct760355601
9301801525
10130145153
1167510a86
1237703595
1320c69888
14133dadc5
15b65b7d8
hex7c1db81

130145153 has 4 divisors (see below), whose sum is σ = 131792640. Its totient is φ = 128497668.

The previous prime is 130145137. The next prime is 130145167. The reversal of 130145153 is 351541031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351541031 = 3499100469.

It is a cyclic number.

It is not a de Polignac number, because 130145153 - 24 = 130145137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130145123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823625 + ... + 823782.

It is an arithmetic number, because the mean of its divisors is an integer number (32948160).

Almost surely, 2130145153 is an apocalyptic number.

It is an amenable number.

130145153 is a deficient number, since it is larger than the sum of its proper divisors (1647487).

130145153 is an equidigital number, since it uses as much as digits as its factorization.

130145153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647486.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 130145153 is about 11408.1178552818. The cubic root of 130145153 is about 506.7681742509.

Adding to 130145153 its reverse (351541031), we get a palindrome (481686184).

The spelling of 130145153 in words is "one hundred thirty million, one hundred forty-five thousand, one hundred fifty-three".

Divisors: 1 79 1647407 130145153