152111740 has 72 divisors (see below), whose sum is σ = 357183792. Its totient is φ = 53963520.

The previous prime is 152111737. The next prime is 152111759. The reversal of 152111740 is 47111251.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485824 + ... + 486136.

It is an arithmetic number, because the mean of its divisors is an integer number (4960886).

Almost surely, 2^152111740 is an apocalyptic number.

152111740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152111740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178591896).

152111740 is an abundant number, since it is smaller than the sum of its proper divisors (205072052).

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

152111740 is a wasteful number, since it uses less digits than its factorization.

152111740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 152111740 is about 12333.3588288025. The cubic root of 152111740 is about 533.8110727997.

Adding to 152111740 its reverse (47111251), we get a palindrome (199222991).

The spelling of 152111740 in words is "one hundred fifty-two million, one hundred eleven thousand, seven hundred forty".