145401046 has 16 divisors (see below), whose sum is σ = 255996576. Its totient is φ = 60630336.

The previous prime is 145401029. The next prime is 145401049. The reversal of 145401046 is 640104541.

It is a super-2 number, since 2×145401046² = 42282928355788232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145401046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145401049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139831 + ... + 140866.

It is an arithmetic number, because the mean of its divisors is an integer number (15999786).

Almost surely, 2^145401046 is an apocalyptic number.

145401046 is a deficient number, since it is larger than the sum of its proper divisors (110595530).

145401046 is a wasteful number, since it uses less digits than its factorization.

145401046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280743.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 145401046 is about 12058.2356089106. The cubic root of 145401046 is about 525.8426932051.

Adding to 145401046 its reverse (640104541), we get a palindrome (785505587).

The spelling of 145401046 in words is "one hundred forty-five million, four hundred one thousand, forty-six".