145415380 has 36 divisors (see below), whose sum is σ = 335662740. Its totient is φ = 52877440.

The previous prime is 145415377. The next prime is 145415383. The reversal of 145415380 is 83514541.

145415380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145415377) and next prime (145415383).

It can be written as a sum of positive squares in 2 ways, for example, as 112444816 + 32970564 = 10604^2 + 5742^2 .

It is a super-2 number, since 2×145415380² = 42291265481088800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145415383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27625 + ... + 32464.

It is an arithmetic number, because the mean of its divisors is an integer number (9323965).

Almost surely, 2^145415380 is an apocalyptic number.

145415380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145415380 is an abundant number, since it is smaller than the sum of its proper divisors (190247360).

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

145415380 is a wasteful number, since it uses less digits than its factorization.

145415380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60120 (or 60107 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 145415380 is about 12058.8299598261. The cubic root of 145415380 is about 525.8599722680.

The spelling of 145415380 in words is "one hundred forty-five million, four hundred fifteen thousand, three hundred eighty".