145903346 has 8 divisors (see below), whose sum is σ = 220526064. Its totient is φ = 72394660.

The previous prime is 145903339. The next prime is 145903357. The reversal of 145903346 is 643309541.

It is a happy number.

145903346 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278180 + ... + 278703.

It is an arithmetic number, because the mean of its divisors is an integer number (27565758).

Almost surely, 2^145903346 is an apocalyptic number.

145903346 is a deficient number, since it is larger than the sum of its proper divisors (74622718).

145903346 is a wasteful number, since it uses less digits than its factorization.

145903346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557016.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 145903346 is about 12079.0457404548. The cubic root of 145903346 is about 526.4475196960.

The spelling of 145903346 in words is "one hundred forty-five million, nine hundred three thousand, three hundred forty-six".