145071377 has 12 divisors (see below), whose sum is σ = 159855360. Its totient is φ = 131555160.

The previous prime is 145071371. The next prime is 145071401. The reversal of 145071377 is 773170541.

It is not a de Polignac number, because 145071377 - 2⁶ = 145071313 is a prime.

It is a super-2 number, since 2×145071377² = 42091408849352258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145071371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56708 + ... + 59210.

It is an arithmetic number, because the mean of its divisors is an integer number (13321280).

Almost surely, 2^145071377 is an apocalyptic number.

It is an amenable number.

145071377 is a deficient number, since it is larger than the sum of its proper divisors (14783983).

145071377 is a wasteful number, since it uses less digits than its factorization.

145071377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 145071377 is about 12044.5579827572. The cubic root of 145071377 is about 525.4449766352. Note that the first 3 decimals are identical.

It can be divided in two parts, 1450 and 71377, that added together give a palindrome (72827).

The spelling of 145071377 in words is "one hundred forty-five million, seventy-one thousand, three hundred seventy-seven".