153203040 has 72 divisors (see below), whose sum is σ = 522810288. Its totient is φ = 40853760.

The previous prime is 153202991. The next prime is 153203053. The reversal of 153203040 is 40302351.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51756 + ... + 54635.

It is an arithmetic number, because the mean of its divisors is an integer number (7261254).

Almost surely, 2^153203040 is an apocalyptic number.

153203040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153203040 is an abundant number, since it is smaller than the sum of its proper divisors (369607248).

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

153203040 is a wasteful number, since it uses less digits than its factorization.

153203040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106412 (or 106401 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 153203040 is about 12377.5215612820. The cubic root of 153203040 is about 535.0846111848.

Adding to 153203040 its reverse (40302351), we get a palindrome (193505391).

The spelling of 153203040 in words is "one hundred fifty-three million, two hundred three thousand, forty".