145412157 has 8 divisors (see below), whose sum is σ = 211508640. Its totient is φ = 88128560.

The previous prime is 145412143. The next prime is 145412173. The reversal of 145412157 is 751214541.

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 145412157 - 2⁸ = 145411901 is a prime.

It is a super-2 number, since 2×145412157² = 42289390806785298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145412107) 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, 2203182 + ... + 2203247.

It is an arithmetic number, because the mean of its divisors is an integer number (26438580).

Almost surely, 2^145412157 is an apocalyptic number.

It is an amenable number.

145412157 is a deficient number, since it is larger than the sum of its proper divisors (66096483).

145412157 is a wasteful number, since it uses less digits than its factorization.

145412157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406443.

The product of its digits is 5600, while the sum is 30.

The square root of 145412157 is about 12058.6963225715. The cubic root of 145412157 is about 525.8560871696.

Adding to 145412157 its reverse (751214541), we get a palindrome (896626698).

The spelling of 145412157 in words is "one hundred forty-five million, four hundred twelve thousand, one hundred fifty-seven".