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145377074 = 2190138237
BaseRepresentation
bin10001010101001…
…00011100110010
3101010112220212002
420222210130302
5244204031244
622231534002
73413453603
oct1052443462
9333486762
10145377074
1175074a47
124082a302
132417094b
1415443daa
15cb69a4e
hex8aa4732

145377074 has 8 divisors (see below), whose sum is σ = 218186028. Its totient is φ = 72648400.

The previous prime is 145377061. The next prime is 145377097. The reversal of 145377074 is 470773541.

145377074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 137053849 + 8323225 = 11707^2 + 2885^2 .

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

It is a super-2 number, since 2×1453770742 = 42268987289602952, which contains 22 as substring.

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, 15317 + ... + 22920.

Almost surely, 2145377074 is an apocalyptic number.

145377074 is a deficient number, since it is larger than the sum of its proper divisors (72808954).

145377074 is a wasteful number, since it uses less digits than its factorization.

145377074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 145377074 is about 12057.2415584992. The cubic root of 145377074 is about 525.8137933812.

The spelling of 145377074 in words is "one hundred forty-five million, three hundred seventy-seven thousand, seventy-four".

Divisors: 1 2 1901 3802 38237 76474 72688537 145377074