145203470 has 16 divisors (see below), whose sum is σ = 261515088. Its totient is φ = 58048320.

The previous prime is 145203419. The next prime is 145203481. The reversal of 145203470 is 74302541.

It is a congruent number.

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, 22442 + ... + 28178.

It is an arithmetic number, because the mean of its divisors is an integer number (16344693).

Almost surely, 2^145203470 is an apocalyptic number.

145203470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145203470 is a deficient number, since it is larger than the sum of its proper divisors (116311618).

145203470 is a wasteful number, since it uses less digits than its factorization.

145203470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 145203470 is about 12050.0402488954. The cubic root of 145203470 is about 525.6044074600.

The spelling of 145203470 in words is "one hundred forty-five million, two hundred three thousand, four hundred seventy".