151711540 has 24 divisors (see below), whose sum is σ = 321418440. Its totient is φ = 60146688.

The previous prime is 151711537. The next prime is 151711543. The reversal of 151711540 is 45117151.

151711540 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (151711537) and next prime (151711543).

It can be written as a sum of positive squares in 4 ways, for example, as 1354896 + 150356644 = 1164^2 + 12262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151711543) 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, 31305 + ... + 35824.

It is an arithmetic number, because the mean of its divisors is an integer number (13392435).

Almost surely, 2^151711540 is an apocalyptic number.

151711540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151711540 is an abundant number, since it is smaller than the sum of its proper divisors (169706900).

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

151711540 is a wasteful number, since it uses less digits than its factorization.

151711540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67251 (or 67249 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 151711540 is about 12317.1238525883. The cubic root of 151711540 is about 533.3425163349.

Adding to 151711540 its reverse (45117151), we get a palindrome (196828691).

It can be divided in two parts, 151711 and 540, that added together give a palindrome (152251).

The spelling of 151711540 in words is "one hundred fifty-one million, seven hundred eleven thousand, five hundred forty".