145607020 has 72 divisors (see below), whose sum is σ = 345685536. Its totient is φ = 51397632.

The previous prime is 145607017. The next prime is 145607027. The reversal of 145607020 is 20706541.

145607020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145607027) 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, 76804 + ... + 78676.

It is an arithmetic number, because the mean of its divisors is an integer number (4801188).

Almost surely, 2^145607020 is an apocalyptic number.

145607020 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 145607020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172842768).

145607020 is an abundant number, since it is smaller than the sum of its proper divisors (200078516).

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

145607020 is a wasteful number, since it uses less digits than its factorization.

145607020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 145607020 is about 12066.7733881100. The cubic root of 145607020 is about 526.0908776173.

The spelling of 145607020 in words is "one hundred forty-five million, six hundred seven thousand, twenty".