145771476 has 24 divisors (see below), whose sum is σ = 340357920. Its totient is φ = 48558432.

The previous prime is 145771463. The next prime is 145771531. The reversal of 145771476 is 674177541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21355 + ... + 27341.

It is an arithmetic number, because the mean of its divisors is an integer number (14181580).

Almost surely, 2^145771476 is an apocalyptic number.

It is an amenable number.

145771476 is an abundant number, since it is smaller than the sum of its proper divisors (194586444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145771476 is a wasteful number, since it uses less digits than its factorization.

145771476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023 (or 8021 counting only the distinct ones).

The product of its digits is 164640, while the sum is 42.

The square root of 145771476 is about 12073.5858799281. The cubic root of 145771476 is about 526.2888677254.

The spelling of 145771476 in words is "one hundred forty-five million, seven hundred seventy-one thousand, four hundred seventy-six".