145696670 has 64 divisors (see below), whose sum is σ = 308016000. Its totient is φ = 48591360.

The previous prime is 145696643. The next prime is 145696673. The reversal of 145696670 is 76696541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145696673) 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, 636116 + ... + 636344.

It is an arithmetic number, because the mean of its divisors is an integer number (4812750).

Almost surely, 2^145696670 is an apocalyptic number.

145696670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145696670 is an abundant number, since it is smaller than the sum of its proper divisors (162319330).

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

145696670 is a wasteful number, since it uses less digits than its factorization.

145696670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 145696670 is about 12070.4875626463. The cubic root of 145696670 is about 526.1988265584.

The spelling of 145696670 in words is "one hundred forty-five million, six hundred ninety-six thousand, six hundred seventy".