145970 has 16 divisors (see below), whose sum is σ = 286848. Its totient is φ = 53040.

The previous prime is 145969. The next prime is 145987. The reversal of 145970 is 79541.

145970 is nontrivially palindromic in base 16.

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, 554 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (17928).

2¹⁴⁵⁹⁷⁰ is an apocalyptic number.

145970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145970 is a deficient number, since it is larger than the sum of its proper divisors (140878).

145970 is a wasteful number, since it uses less digits than its factorization.

145970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 145970 is about 382.0602046798. The cubic root of 145970 is about 52.6527674337.

The spelling of 145970 in words is "one hundred forty-five thousand, nine hundred seventy".