145959320446 has 8 divisors (see below), whose sum is σ = 218948747544. Its totient is φ = 72976404600.

The previous prime is 145959320431. The next prime is 145959320447. The reversal of 145959320446 is 644023959541.

It is a happy number.

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

It is a super-2 number, since 2×145959320446² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145959320393 and 145959320402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145959320447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571380 + ... + 1661671.

It is an arithmetic number, because the mean of its divisors is an integer number (27368593443).

Almost surely, 2^145959320446 is an apocalyptic number.

145959320446 is a deficient number, since it is larger than the sum of its proper divisors (72989427098).

145959320446 is a wasteful number, since it uses less digits than its factorization.

145959320446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255626.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 145959320446 in words is "one hundred forty-five billion, nine hundred fifty-nine million, three hundred twenty thousand, four hundred forty-six".