145345750 has 64 divisors (see below), whose sum is σ = 314383680. Its totient is φ = 49728000.

The previous prime is 145345729. The next prime is 145345751. The reversal of 145345750 is 57543541.

145345750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145345750² = 42250774086125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145345751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45196 + ... + 48304.

It is an arithmetic number, because the mean of its divisors is an integer number (4912245).

Almost surely, 2^145345750 is an apocalyptic number.

145345750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145345750 is an abundant number, since it is smaller than the sum of its proper divisors (169037930).

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

145345750 is a wasteful number, since it uses less digits than its factorization.

145345750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 145345750 is about 12055.9425181111. The cubic root of 145345750 is about 525.7760254491.

The spelling of 145345750 in words is "one hundred forty-five million, three hundred forty-five thousand, seven hundred fifty".