145046739 has 8 divisors (see below), whose sum is σ = 195203520. Its totient is φ = 95793896.

The previous prime is 145046701. The next prime is 145046749. The reversal of 145046739 is 937640541.

145046739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145046739 - 2⁸ = 145046483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145046697 and 145046706.

It is not an unprimeable number, because it can be changed into a prime (145046749) 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, 225609 + ... + 226250.

It is an arithmetic number, because the mean of its divisors is an integer number (24400440).

Almost surely, 2^145046739 is an apocalyptic number.

145046739 is a deficient number, since it is larger than the sum of its proper divisors (50156781).

145046739 is a wasteful number, since it uses less digits than its factorization.

145046739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451969.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 145046739 is about 12043.5351537661. The cubic root of 145046739 is about 525.4152288735.

The spelling of 145046739 in words is "one hundred forty-five million, forty-six thousand, seven hundred thirty-nine".