153231945 has 8 divisors (see below), whose sum is σ = 245171136. Its totient is φ = 81723696.

The previous prime is 153231943. The next prime is 153231959. The reversal of 153231945 is 549132351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153231945 - 2¹ = 153231943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153231943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107717 + ... + 5107746.

It is an arithmetic number, because the mean of its divisors is an integer number (30646392).

Almost surely, 2^153231945 is an apocalyptic number.

153231945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153231945 is a deficient number, since it is larger than the sum of its proper divisors (91939191).

153231945 is a wasteful number, since it uses less digits than its factorization.

153231945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215471.

The product of its digits is 16200, while the sum is 33.

The square root of 153231945 is about 12378.6891470785. The cubic root of 153231945 is about 535.1182607523.

The spelling of 153231945 in words is "one hundred fifty-three million, two hundred thirty-one thousand, nine hundred forty-five".