1598145090 has 16 divisors (see below), whose sum is σ = 3835548288. Its totient is φ = 426172016.

The previous prime is 1598145071. The next prime is 1598145091. The reversal of 1598145090 is 905418951.

It is a super-2 number, since 2×1598145090² = 5108135457382216200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1598145091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26635722 + ... + 26635781.

It is an arithmetic number, because the mean of its divisors is an integer number (239721768).

Almost surely, 2^1598145090 is an apocalyptic number.

1598145090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1598145090 is an abundant number, since it is smaller than the sum of its proper divisors (2237403198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1598145090 is a wasteful number, since it uses less digits than its factorization.

1598145090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53271513.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 1598145090 is about 39976.8069010020. The cubic root of 1598145090 is about 1169.1549380301.

The spelling of 1598145090 in words is "one billion, five hundred ninety-eight million, one hundred forty-five thousand, ninety".