145150031 has 8 divisors (see below), whose sum is σ = 157019520. Its totient is φ = 133381152.

The previous prime is 145150021. The next prime is 145150043. The reversal of 145150031 is 130051541.

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 145150031 - 2¹⁰ = 145149007 is a prime.

It is a super-2 number, since 2×145150031² = 42137062998601922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145149985 and 145150012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145150021) 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, 22136 + ... + 27933.

It is an arithmetic number, because the mean of its divisors is an integer number (19627440).

Almost surely, 2^145150031 is an apocalyptic number.

145150031 is a deficient number, since it is larger than the sum of its proper divisors (11869489).

145150031 is a wasteful number, since it uses less digits than its factorization.

145150031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50305.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 145150031 is about 12047.8226663576. The cubic root of 145150031 is about 525.5399204329.

The spelling of 145150031 in words is "one hundred forty-five million, one hundred fifty thousand, thirty-one".