145153719 has 12 divisors (see below), whose sum is σ = 214128096. Its totient is φ = 94709952.

The previous prime is 145153717. The next prime is 145153727. The reversal of 145153719 is 917351541.

It is a happy number.

It is not a de Polignac number, because 145153719 - 2¹ = 145153717 is a prime.

It is a super-2 number, since 2×145153719² = 42139204279061922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145153717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171154 + ... + 171999.

It is an arithmetic number, because the mean of its divisors is an integer number (17844008).

Almost surely, 2^145153719 is an apocalyptic number.

145153719 is a deficient number, since it is larger than the sum of its proper divisors (68974377).

145153719 is a wasteful number, since it uses less digits than its factorization.

145153719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343206 (or 343203 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 145153719 is about 12047.9757220871. The cubic root of 145153719 is about 525.5443714018.

The spelling of 145153719 in words is "one hundred forty-five million, one hundred fifty-three thousand, seven hundred nineteen".