151020144 has 120 divisors (see below), whose sum is σ = 468279552. Its totient is φ = 45048960.

The previous prime is 151020143. The next prime is 151020157. The reversal of 151020144 is 441020151.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151020143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105417 + ... + 106839.

Almost surely, 2^151020144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151020144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234139776).

151020144 is an abundant number, since it is smaller than the sum of its proper divisors (317259408).

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

151020144 is a wasteful number, since it uses less digits than its factorization.

151020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 151020144 is about 12289.0253478459. The cubic root of 151020144 is about 532.5310806431.

Adding to 151020144 its reverse (441020151), we get a palindrome (592040295).

The spelling of 151020144 in words is "one hundred fifty-one million, twenty thousand, one hundred forty-four".