145401406 has 8 divisors (see below), whose sum is σ = 218721024. Its totient is φ = 72494400.

The previous prime is 145401401. The next prime is 145401407. The reversal of 145401406 is 604104541.

145401406 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 super-2 number, since 2×145401406² = 42283137733553672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145401401) 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, 102270 + ... + 103681.

It is an arithmetic number, because the mean of its divisors is an integer number (27340128).

Almost surely, 2^145401406 is an apocalyptic number.

145401406 is a deficient number, since it is larger than the sum of its proper divisors (73319618).

145401406 is a wasteful number, since it uses less digits than its factorization.

145401406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206306.

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

The square root of 145401406 is about 12058.2505364584. The cubic root of 145401406 is about 525.8431271845.

Adding to 145401406 its reverse (604104541), we get a palindrome (749505947).

The spelling of 145401406 in words is "one hundred forty-five million, four hundred one thousand, four hundred six".