153461990 has 16 divisors (see below), whose sum is σ = 301343760. Its totient is φ = 55804320.

The previous prime is 153461981. The next prime is 153461999. The reversal of 153461990 is 99164351.

It is an interprime number because it is at equal distance from previous prime (153461981) and next prime (153461999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153461999) 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, 697445 + ... + 697664.

It is an arithmetic number, because the mean of its divisors is an integer number (18833985).

Almost surely, 2^153461990 is an apocalyptic number.

153461990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153461990 is a deficient number, since it is larger than the sum of its proper divisors (147881770).

153461990 is a wasteful number, since it uses less digits than its factorization.

153461990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395127.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 153461990 is about 12387.9776396311. The cubic root of 153461990 is about 535.3859154031.

It can be divided in two parts, 153461 and 990, that added together give a palindrome (154451).

The spelling of 153461990 in words is "one hundred fifty-three million, four hundred sixty-one thousand, nine hundred ninety".