145162652440 has 64 divisors (see below), whose sum is σ = 352350603360. Its totient is φ = 53505515520.

The previous prime is 145162652429. The next prime is 145162652443. The reversal of 145162652440 is 44256261541.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 145162652393 and 145162652402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145162652443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58135 + ... + 541945.

Almost surely, 2^145162652440 is an apocalyptic number.

145162652440 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 145162652440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176175301680).

145162652440 is an abundant number, since it is smaller than the sum of its proper divisors (207187950920).

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

145162652440 is a wasteful number, since it uses less digits than its factorization.

145162652440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484412 (or 484408 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 145162652440 in words is "one hundred forty-five billion, one hundred sixty-two million, six hundred fifty-two thousand, four hundred forty".