150215521544144 has 120 divisors (see below), whose sum is σ = 342042572160000. Its totient is φ = 63719195823360.

The previous prime is 150215521544141. The next prime is 150215521544147. The reversal of 150215521544144 is 441445125512051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (150215521544141) and next prime (150215521544147).

It is a junction number, because it is equal to n+sod(n) for n = 150215521544095 and 150215521544104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150215521544141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27278582 + ... + 32319530.

It is an arithmetic number, because the mean of its divisors is an integer number (2850354768000).

Almost surely, 2^{150215521544144} is an apocalyptic number.

150215521544144 is a gapful number since it is divisible by the number (14) 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 150215521544144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171021286080000).

150215521544144 is an abundant number, since it is smaller than the sum of its proper divisors (191827050615856).

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

150215521544144 is a wasteful number, since it uses less digits than its factorization.

150215521544144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041361 (or 5041348 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 150215521544144 in words is "one hundred fifty trillion, two hundred fifteen billion, five hundred twenty-one million, five hundred forty-four thousand, one hundred forty-four".