145776407 has 16 divisors (see below), whose sum is σ = 171823872. Its totient is φ = 121080960.

The previous prime is 145776403. The next prime is 145776451. The reversal of 145776407 is 704677541.

145776407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145776407 - 2² = 145776403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145776403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37583 + ... + 41279.

It is an arithmetic number, because the mean of its divisors is an integer number (10738992).

Almost surely, 2^145776407 is an apocalyptic number.

145776407 is a deficient number, since it is larger than the sum of its proper divisors (26047465).

145776407 is a wasteful number, since it uses less digits than its factorization.

145776407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 145776407 is about 12073.7900843107. The cubic root of 145776407 is about 526.2948019022.

The spelling of 145776407 in words is "one hundred forty-five million, seven hundred seventy-six thousand, four hundred seven".