153752740 has 12 divisors (see below), whose sum is σ = 322880796. Its totient is φ = 61501088.

The previous prime is 153752719. The next prime is 153752749. The reversal of 153752740 is 47257351.

153752740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 111007296 + 42745444 = 10536^2 + 6538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153752696 and 153752705.

It is not an unprimeable number, because it can be changed into a prime (153752749) 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, 3843799 + ... + 3843838.

It is an arithmetic number, because the mean of its divisors is an integer number (26906733).

Almost surely, 2^153752740 is an apocalyptic number.

153752740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153752740 is an abundant number, since it is smaller than the sum of its proper divisors (169128056).

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

153752740 is a wasteful number, since it uses less digits than its factorization.

153752740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687646 (or 7687644 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 153752740 is about 12399.7072546089. The cubic root of 153752740 is about 535.7238172103.

The spelling of 153752740 in words is "one hundred fifty-three million, seven hundred fifty-two thousand, seven hundred forty".