145156405 has 8 divisors (see below), whose sum is σ = 174333600. Its totient is φ = 116027856.

The previous prime is 145156399. The next prime is 145156457. The reversal of 145156405 is 504651541.

145156405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145156405 - 2²¹ = 143059253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5235 + ... + 17824.

It is an arithmetic number, because the mean of its divisors is an integer number (21791700).

Almost surely, 2^145156405 is an apocalyptic number.

It is an amenable number.

145156405 is a deficient number, since it is larger than the sum of its proper divisors (29177195).

145156405 is a wasteful number, since it uses less digits than its factorization.

145156405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24323.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 145156405 is about 12048.0871925796. The cubic root of 145156405 is about 525.5476130307.

The spelling of 145156405 in words is "one hundred forty-five million, one hundred fifty-six thousand, four hundred five".