145254131 has 8 divisors (see below), whose sum is σ = 165348864. Its totient is φ = 126307720.

The previous prime is 145254101. The next prime is 145254133. The reversal of 145254131 is 131452541.

145254131 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 not a de Polignac number, because 145254131 - 2¹⁴ = 145237747 is a prime.

It is a super-2 number, since 2×145254131² = 42197525145130322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145254131.

It is not an unprimeable number, because it can be changed into a prime (145254133) 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, 286811 + ... + 287316.

It is an arithmetic number, because the mean of its divisors is an integer number (20668608).

Almost surely, 2^145254131 is an apocalyptic number.

145254131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145254131 is a deficient number, since it is larger than the sum of its proper divisors (20094733).

145254131 is a wasteful number, since it uses less digits than its factorization.

145254131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574161.

The product of its digits is 2400, while the sum is 26.

The square root of 145254131 is about 12052.1421747339. The cubic root of 145254131 is about 525.6655275529.

The spelling of 145254131 in words is "one hundred forty-five million, two hundred fifty-four thousand, one hundred thirty-one".