90141454 has 16 divisors (see below), whose sum is σ = 150635520. Its totient is φ = 40168800.

The previous prime is 90141437. The next prime is 90141461. The reversal of 90141454 is 45414109.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59022 + ... + 60529.

It is an arithmetic number, because the mean of its divisors is an integer number (9414720).

Almost surely, 2^90141454 is an apocalyptic number.

90141454 is a deficient number, since it is larger than the sum of its proper divisors (60494066).

90141454 is a wasteful number, since it uses less digits than its factorization.

90141454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119595.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 90141454 is about 9494.2853338206. The cubic root of 90141454 is about 448.3751342141.

The spelling of 90141454 in words is "ninety million, one hundred forty-one thousand, four hundred fifty-four".