145877719 has 8 divisors (see below), whose sum is σ = 157605392. Its totient is φ = 134222400.

The previous prime is 145877671. The next prime is 145877741. The reversal of 145877719 is 917778541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145877719 - 2⁷ = 145877591 is a prime.

It is a super-2 number, since 2×145877719² = 42560617801285922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145877219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13857 + ... + 21994.

It is an arithmetic number, because the mean of its divisors is an integer number (19700674).

Almost surely, 2^145877719 is an apocalyptic number.

145877719 is a deficient number, since it is larger than the sum of its proper divisors (11727673).

145877719 is a wasteful number, since it uses less digits than its factorization.

145877719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36177.

The product of its digits is 493920, while the sum is 49.

The square root of 145877719 is about 12077.9848898730. The cubic root of 145877719 is about 526.4166954987.

The spelling of 145877719 in words is "one hundred forty-five million, eight hundred seventy-seven thousand, seven hundred nineteen".