145630770 has 32 divisors (see below), whose sum is σ = 358041600. Its totient is φ = 37887360.

The previous prime is 145630759. The next prime is 145630781. The reversal of 145630770 is 77036541.

It is an interprime number because it is at equal distance from previous prime (145630759) and next prime (145630781).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57970 + ... + 60429.

It is an arithmetic number, because the mean of its divisors is an integer number (11188800).

Almost surely, 2^145630770 is an apocalyptic number.

145630770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145630770 is an abundant number, since it is smaller than the sum of its proper divisors (212410830).

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

145630770 is a wasteful number, since it uses less digits than its factorization.

145630770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118450.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 145630770 is about 12067.7574553021. The cubic root of 145630770 is about 526.1194796702.

The spelling of 145630770 in words is "one hundred forty-five million, six hundred thirty thousand, seven hundred seventy".