145153552 has 40 divisors (see below), whose sum is σ = 300320064. Its totient is φ = 67799424.

The previous prime is 145153549. The next prime is 145153583. The reversal of 145153552 is 255351541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11238 + ... + 20410.

Almost surely, 2^145153552 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 145153552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150160032).

145153552 is an abundant number, since it is smaller than the sum of its proper divisors (155166512).

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

145153552 is a wasteful number, since it uses less digits than its factorization.

145153552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247 (or 9241 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 145153552 is about 12047.9687914602. The cubic root of 145153552 is about 525.5441698546.

The spelling of 145153552 in words is "one hundred forty-five million, one hundred fifty-three thousand, five hundred fifty-two".