145351121 has 8 divisors (see below), whose sum is σ = 153571200. Its totient is φ = 137188080.

The previous prime is 145351117. The next prime is 145351123. The reversal of 145351121 is 121153541.

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 145351121 - 2² = 145351117 is a prime.

It is a super-2 number, since 2×145351121² = 42253896751913282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145351123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8966 + ... + 19263.

It is an arithmetic number, because the mean of its divisors is an integer number (19196400).

Almost surely, 2^145351121 is an apocalyptic number.

It is an amenable number.

145351121 is a deficient number, since it is larger than the sum of its proper divisors (8220079).

145351121 is a wasteful number, since it uses less digits than its factorization.

145351121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28519.

The product of its digits is 600, while the sum is 23.

The square root of 145351121 is about 12056.1652692720. The cubic root of 145351121 is about 525.7825017496.

The spelling of 145351121 in words is "one hundred forty-five million, three hundred fifty-one thousand, one hundred twenty-one".