145903670 has 32 divisors (see below), whose sum is σ = 295750656. Its totient is φ = 51343200.

The previous prime is 145903649. The next prime is 145903699. The reversal of 145903670 is 76309541.

It is a self number, because there is not a number n which added to its sum of digits gives 145903670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17984 + ... + 24803.

It is an arithmetic number, because the mean of its divisors is an integer number (9242208).

Almost surely, 2^145903670 is an apocalyptic number.

145903670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145903670 is an abundant number, since it is smaller than the sum of its proper divisors (149846986).

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

145903670 is a wasteful number, since it uses less digits than its factorization.

145903670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42836.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 145903670 is about 12079.0591521029. The cubic root of 145903670 is about 526.4479093806.

The spelling of 145903670 in words is "one hundred forty-five million, nine hundred three thousand, six hundred seventy".