145234970 has 16 divisors (see below), whose sum is σ = 264013128. Its totient is φ = 57518400.

The previous prime is 145234967. The next prime is 145234981. The reversal of 145234970 is 79432541.

It can be written as a sum of positive squares in 4 ways, for example, as 112550881 + 32684089 = 10609^2 + 5717^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145234970.

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, 70889 + ... + 72908.

Almost surely, 2^145234970 is an apocalyptic number.

145234970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145234970 is a deficient number, since it is larger than the sum of its proper divisors (118778158).

145234970 is a wasteful number, since it uses less digits than its factorization.

145234970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143905.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 145234970 is about 12051.3472275924. The cubic root of 145234970 is about 525.6424123868.

The spelling of 145234970 in words is "one hundred forty-five million, two hundred thirty-four thousand, nine hundred seventy".