145320532 has 36 divisors (see below), whose sum is σ = 303858016. Its totient is φ = 59566320.

The previous prime is 145320503. The next prime is 145320547. The reversal of 145320532 is 235023541.

It is a super-2 number, since 2×145320532² = 42236114041526048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145320497 and 145320506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9907 + ... + 19717.

Almost surely, 2^145320532 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 145320532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151929008).

145320532 is an abundant number, since it is smaller than the sum of its proper divisors (158537484).

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

145320532 is a wasteful number, since it uses less digits than its factorization.

145320532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868 (or 9843 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 145320532 is about 12054.8965984781. The cubic root of 145320532 is about 525.7456156924.

The spelling of 145320532 in words is "one hundred forty-five million, three hundred twenty thousand, five hundred thirty-two".