152120540 has 48 divisors (see below), whose sum is σ = 375308640. Its totient is φ = 51060480.

The previous prime is 152120531. The next prime is 152120543. The reversal of 152120540 is 45021251.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152120543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23735 + ... + 29454.

It is an arithmetic number, because the mean of its divisors is an integer number (7818930).

Almost surely, 2^152120540 is an apocalyptic number.

152120540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152120540 is an abundant number, since it is smaller than the sum of its proper divisors (223188100).

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

152120540 is a wasteful number, since it uses less digits than its factorization.

152120540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53222 (or 53220 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 152120540 is about 12333.7155796621. The cubic root of 152120540 is about 533.8213666509.

Adding to 152120540 its reverse (45021251), we get a palindrome (197141791).

The spelling of 152120540 in words is "one hundred fifty-two million, one hundred twenty thousand, five hundred forty".