145553451 has 8 divisors (see below), whose sum is σ = 194692560. Its totient is φ = 96724992.

The previous prime is 145553437. The next prime is 145553467. The reversal of 145553451 is 154355541.

145553451 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 145553451 - 2¹⁰ = 145552427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145553431) 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, 76566 + ... + 78443.

It is an arithmetic number, because the mean of its divisors is an integer number (24336570).

Almost surely, 2^145553451 is an apocalyptic number.

145553451 is a deficient number, since it is larger than the sum of its proper divisors (49139109).

145553451 is a wasteful number, since it uses less digits than its factorization.

145553451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155325.

The product of its digits is 30000, while the sum is 33.

The square root of 145553451 is about 12064.5534936027. The cubic root of 145553451 is about 526.0263532123.

The spelling of 145553451 in words is "one hundred forty-five million, five hundred fifty-three thousand, four hundred fifty-one".