145871630 has 16 divisors (see below), whose sum is σ = 266268384. Its totient is φ = 57526560.

The previous prime is 145871591. The next prime is 145871633. The reversal of 145871630 is 36178541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145871633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102017 + ... + 103436.

It is an arithmetic number, because the mean of its divisors is an integer number (16641774).

Almost surely, 2^145871630 is an apocalyptic number.

145871630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145871630 is a deficient number, since it is larger than the sum of its proper divisors (120396754).

145871630 is a wasteful number, since it uses less digits than its factorization.

145871630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205531.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 145871630 is about 12077.7328170481. The cubic root of 145871630 is about 526.4093711088.

The spelling of 145871630 in words is "one hundred forty-five million, eight hundred seventy-one thousand, six hundred thirty".