145550721350 has 24 divisors (see below), whose sum is σ = 270826863888. Its totient is φ = 58198240800.

The previous prime is 145550721347. The next prime is 145550721383. The reversal of 145550721350 is 53127055541.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417521 + ... + 682220.

It is an arithmetic number, because the mean of its divisors is an integer number (11284452662).

Almost surely, 2^145550721350 is an apocalyptic number.

145550721350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145550721350 is a deficient number, since it is larger than the sum of its proper divisors (125276142538).

145550721350 is a wasteful number, since it uses less digits than its factorization.

145550721350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102400 (or 1102395 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 38.

Adding to 145550721350 its reverse (53127055541), we get a palindrome (198677776891).

The spelling of 145550721350 in words is "one hundred forty-five billion, five hundred fifty million, seven hundred twenty-one thousand, three hundred fifty".