145225534 has 8 divisors (see below), whose sum is σ = 222904440. Its totient is φ = 70924056.

The previous prime is 145225439. The next prime is 145225541. The reversal of 145225534 is 435522541.

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

It is a junction number, because it is equal to n+sod(n) for n = 145225496 and 145225505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844249 + ... + 844420.

It is an arithmetic number, because the mean of its divisors is an integer number (27863055).

Almost surely, 2^145225534 is an apocalyptic number.

145225534 is a deficient number, since it is larger than the sum of its proper divisors (77678906).

145225534 is a wasteful number, since it uses less digits than its factorization.

145225534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688714.

The product of its digits is 24000, while the sum is 31.

The square root of 145225534 is about 12050.9557297336. The cubic root of 145225534 is about 525.6310283764.

The spelling of 145225534 in words is "one hundred forty-five million, two hundred twenty-five thousand, five hundred thirty-four".