145953998 has 8 divisors (see below), whose sum is σ = 228449808. Its totient is φ = 69804064.

The previous prime is 145953971. The next prime is 145954009. The reversal of 145953998 is 899359541.

It is a happy number.

145953998 is digitally balanced in base 3, 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 congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1586411 + ... + 1586502.

It is an arithmetic number, because the mean of its divisors is an integer number (28556226).

Almost surely, 2^145953998 is an apocalyptic number.

145953998 is a deficient number, since it is larger than the sum of its proper divisors (82495810).

145953998 is a wasteful number, since it uses less digits than its factorization.

145953998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172938.

The product of its digits is 1749600, while the sum is 53.

The square root of 145953998 is about 12081.1422473208. The cubic root of 145953998 is about 526.5084333883.

The spelling of 145953998 in words is "one hundred forty-five million, nine hundred fifty-three thousand, nine hundred ninety-eight".