145140630 has 16 divisors (see below), whose sum is σ = 348337584. Its totient is φ = 38704160.

The previous prime is 145140613. The next prime is 145140631. The reversal of 145140630 is 36041541.

145140630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145140630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145140631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418981 + ... + 2419040.

It is an arithmetic number, because the mean of its divisors is an integer number (21771099).

Almost surely, 2^145140630 is an apocalyptic number.

145140630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145140630 is an abundant number, since it is smaller than the sum of its proper divisors (203196954).

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

145140630 is a wasteful number, since it uses less digits than its factorization.

145140630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838031.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 145140630 is about 12047.4325065551. The cubic root of 145140630 is about 525.5285742246.

The spelling of 145140630 in words is "one hundred forty-five million, one hundred forty thousand, six hundred thirty".